FOR WINDOWS XP: - 2.0 GHz P4 processor or equivalent / 512 MB RAM / A 128 MB Video Card, with support for Pixel Shader 2.0 / At least 6 GB of hard drive space
FOR WINDOWS VISTA: - 2.0 GHz P4 processor or equivalent / 768 MB RAM / A 128 MB Video Card, with support for Pixel Shader 2.0 / At least 6 GB of hard drive space.
Full details in link.
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